
Job Title: Java Developer
Experience: 4 –10 Years
Location: Mumbai / Bangalore
Employment Type: Full-time
We are looking for experienced and passionate Java Developers with strong expertise in Core Java, multithreading, and performance tuning. You will be responsible for designing and developing high-performance, scalable, and resilient backend systems. This is an exciting opportunity to work on complex, enterprise-level systems and modern architectures like microservices and event-driven frameworks.
• 3–10 years of hands-on experience in Java (8 or above) development.
• Strong foundation in OOPs, data structures, algorithms, and design patterns.
• Deep understanding of multithreading, concurrency, and synchronization techniques.
• Experience with Spring Boot, Spring MVC, JPA/Hibernate.
• Good working knowledge of RESTful API development.
• Proficient in SQL and experience with relational databases like MySQL, PostgreSQL, etc.
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Exposure to Agile/Scrum methodology

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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- Experience in Core Java, CXF, Spring.
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- Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).
We are India’s fastest-growing digital trust platform offering services such as background verifications, reference checks, employee/staff onboarding, etc. We have completed more than 500+ million checks across 3000+ happy clients and since its inception, the company has shown continuous uptrend growth in an ever-changing business environment. As an organization, we are self-sustainable with positive cash flows.
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• Bachelors/Masters in Computer Science or a related field
• 5 - 10 years of prior relevant experience
• Experience with web technologies and microservices architecture
• Java, Spring framework
• MySQL, Mongo, Solr, Redis,
• Kubernetes, Docker
• Excellent teamwork skills, flexibility, and ability to handle multiple tasks.
• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story • Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services
• Exceptional design and architectural skills
• Experience of cloud providers/platforms like GCP and AWS
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• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, System Design, Unix/Linux. • Possess good architectural knowledge and be aware of enterprise application design patterns. • Should be able to analyze, design, develop and test complex, low-latency client-facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-volume server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills in Java. • Strong interpersonal, communication and analytical skills. • Should be able to express their design ideas and thoughts.
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• Understand product requirements and come up with solution approaches. • Build and enhance large scale domain centric applications. • Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines.
InnovationM is looking for a Java Developer with experience in Spring Boot, Microservices, and MongoDB to join our team. The ideal candidate should have hands-on experience in designing and developing REST APIs using Spring Boot, building microservices-based applications, working with MongoDB and have experience in deploying applications in AWS.
What you must be good at:
● Develop and maintain REST APIs using Spring Boot framework
● Build microservices-based applications using Spring Boot and related frameworks
● Design and develop data models and queries for MongoDB database
● Deploy applications in AWS using EC2, ECR, and other relevant AWS services
● Work in an Agile development environment
● Collaborate with cross-functional teams to deliver high-quality software
What you must be good at:
● 4+ years of experience in Java development
● Strong experience in Spring Boot and related frameworks
● Hands-on experience in building microservices-based applications
● Proficient in designing and developing REST APIs
● Strong experience in MongoDB, including data modeling and query optimization
● Good understanding of AWS services and deployment methodologies
● Experience working in an Agile development environment
● Proficient in Git and version control systems
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- At least 8+ years of IT experience most of which will have been in helping the design and implementation of the software suite/module.
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- Bachelor’s degree in Information Science / Information Technology, Computer Science, Engineering, Mathematics, Physics, or a related field.
- Strong verbal and written communication skills, with the ability to work effectively across internal and external organizations.
- Strong programming skills in Java.
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- Customer facing skills to represent AWS well within the customer’s environment and drive discussions with senior personnel regarding trade-offs, best practices, project management and risk mitigation
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- Proven experience with software development life cycle (SDLC) and agile/iterative methodologies required
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- AWS Solutions Architect Certified
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• 3+ Years of experience as a Go Developer
• Experience in ReactJS (most preferred) or AngularJS similar front end frameworks
• Experience with the Python or/and Golang (preferably both), SQL, and design/architectural
patterns
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• Hands-on experience on SQL, Query optimization, DB server migration
• Preferably experience in Postgre SQL or MySQL
• Knowledge of NOSQL databases will be an added advantage
• Experience in Cloud platforms like AWS, Azure with knowledge of containerization, Kubernetes is an
added advantage
• Knowledge of one or more programming languages along with HTML5/CSS3,Bootstrap
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• Understanding of Agile methodologies
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• Experience with GitHub, Tortoise SVN Version Control
• Strong attention to detail
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applicatio
We are looking for strong developers with below skills,
- Java
- Springboot
- REST API
- Microservices
Excellent communication skill.
Notice : Immediate - 30 days

- Strong experience in Java Development
- Deep expertise and hands-on experience with Web Applications
- Experience in programming languages such as HTML, CSS, JavaScript, JQuery, React JS, and API.
- Expertise in Java, Spring Boot is an added advantage.
- Hands-on design experience with Web Services (REST, SOAP, etc ..).
- Strong grasp of security principles.
Abilities:
- Developer with strong ability to develop web application using Java and ReactJS
- Should be able to code, design, and implement
- Maintain code integrity and organization
Experience in Java 8
Experience in frameworks - Spring, Hibernate
Experience in Design Patterns










